#define  _CRT_SECURE_NO_WARNINGS 1

int removeElement(int* nums, int numsSize, int val) {
    if (nums == NULL)
    {
        return NULL;
    }

    int j = 0;
    for (int i = 0; i < numsSize; i++)
    {
        if (nums[i] != val)
        {
            nums[j] = nums[i];
            j++;
        }
    }

    return j;
}